What account number is dandelion uid?

Dandelion uid is an identification code, which plays a role in identifying things. Dandelion software is a kind of promotion software. This software is a project launched by Taobao Alliance to commercialize traffic for various software clients. UID is a digital ID number directly assigned by the system when users register, and users can log in directly with this UID number when logging in. The size of the UID number is related to the registration time. The earlier you sign up, the smaller the number.